1301901494 has 4 divisors (see below), whose sum is σ = 1952852244. Its totient is φ = 650950746.

The previous prime is 1301901427. The next prime is 1301901509. The reversal of 1301901494 is 4941091031.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1301901494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325475372 + ... + 325475375.

It is an arithmetic number, because the mean of its divisors is an integer number (488213061).

Almost surely, 2^1301901494 is an apocalyptic number.

1301901494 is a deficient number, since it is larger than the sum of its proper divisors (650950750).

1301901494 is an equidigital number, since it uses as much as digits as its factorization.

1301901494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650950749.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1301901494 is about 36081.8720966637. The cubic root of 1301901494 is about 1091.9247461413.

The spelling of 1301901494 in words is "one billion, three hundred one million, nine hundred one thousand, four hundred ninety-four".